:root {
  color-scheme: light;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --surface: #ffffff;
  --canvas: #f5f8ff;
  --text: #0f172a;
  --muted: #526077;
  --border: #dbe5f3;
  --glow: #dbeafe;
  --secondary-bg: #e8eef8;
  --code-bg: #edf2fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --primary: #3b82f6;
    --primary-dark: #93c5fd;
    --surface: #111827;
    --canvas: #0b1220;
    --text: #e5e9f2;
    --muted: #94a3b8;
    --border: #26324a;
    --glow: rgba(59, 130, 246, 0.22);
    --secondary-bg: #1f2937;
    --code-bg: #1f2937;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 90% 0%, var(--glow) 0, transparent 34rem), var(--canvas);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 64px auto;
  padding: clamp(28px, 6vw, 56px);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgb(30 64 175 / 12%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 52px;
  height: 52px;
}

h1,
h2 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 52px);
}

h2 {
  margin-top: 36px;
  font-size: 20px;
}

p,
li {
  color: var(--muted);
}

a {
  color: var(--primary-dark);
}

.lead {
  max-width: 620px;
  margin: 22px 0 30px;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 18px;
  color: #ffffff;
  background: var(--primary);
  border-radius: 11px;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  color: var(--text);
  background: var(--secondary-bg);
}

.meta {
  margin-top: 8px;
  font-size: 14px;
}

code {
  padding: 2px 6px;
  background: var(--code-bg);
  border-radius: 5px;
}

.mock {
  margin: 40px 0 8px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgb(30 64 175 / 10%);
}

.mock__bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: var(--canvas);
  border-bottom: 1px solid var(--border);
}

.mock__dot {
  width: 9px;
  height: 9px;
  background: var(--border);
  border-radius: 50%;
}

.mock__body {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 26px 28px 34px;
}

.mock__block {
  width: 60%;
  height: 10px;
  background: var(--border);
  border-radius: 6px;
}

.mock__block--wide {
  width: 82%;
}

.mock__block--short {
  width: 40%;
}

.mock__selection {
  position: relative;
  width: 56%;
  height: 92px;
  margin: 8px 0;
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border: 2px dashed var(--primary);
  border-radius: 10px;
}

.mock__handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border: 2px solid var(--surface);
  border-radius: 50%;
  box-shadow: 0 2px 6px rgb(15 23 42 / 30%);
}

.mock__handle--nw {
  top: -7px;
  left: -7px;
}

.mock__handle--ne {
  top: -7px;
  right: -7px;
}

.mock__handle--sw {
  bottom: -7px;
  left: -7px;
}

.mock__handle--se {
  bottom: -7px;
  right: -7px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.feature {
  padding: 18px;
  background: color-mix(in srgb, var(--canvas) 60%, var(--surface));
  border: 1px solid var(--border);
  border-radius: 14px;
}

.feature-icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border-radius: 10px;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature h3 {
  margin: 12px 0 6px;
  font-size: 15px;
  color: var(--text);
}

.feature p {
  margin: 0;
  font-size: 13.5px;
}

.site-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.site-footer p {
  color: var(--muted);
}

@media (max-width: 520px) {
  main {
    margin: 16px auto;
    border-radius: 18px;
  }

  .mock__body {
    padding: 20px;
  }

  .mock__selection {
    width: 72%;
  }
}